/*
 *    beep.h  -  header file of beep
 *
 *	  Board:		akae2440
 *    environment:	bootloader & ADS
 *    Author:		akaedu
 *    Date:			2009-5-26
 *    web:			www.akaedu.org
 *
 */

int beep_init(void);
int beep_on(void);
int beep_off(void);
int beep_test(void);